Leucoplast: They are called as the colourless plastids.
Chromoplast: They impart red, yellow and orange colour to the fruits and petals of the flowering plants.
| Leucoplast || Chromoplast |
|1. Leucoplasts are the forms of colourless plastids.||1. Chromoplast contains colour-containing pigments like carotene and xanthophyll.|
|2. They are present in the internal structures of the plant.|| 2. Chromoplasts are present on the exposed structures of the plant like the corolla. |
| 3. Leucoplast acts as the storage structure for starch, protein and lipids. || 3. The function of chromoplast is to synthesize the carotenoid pigments which help with pollination. |
| 4. Lamellae is present with a granular stroma. || 4. Lamellae is absent and thylakoids are mostly absent. |